/Engine/Source/Runtime/SignalProcessing/Public/DSP/SlidingWindow.h
OutWindowBuffer Used to construct theTSlidingWindowIterator. The iterator will populate the window with samples when the * operator is called.
template<typename InAllocator> [TSlidingWindowIterator](API\Runtime\SignalProcessing\DSP\TSlidingWindow\TSlidingWindowIterator)< InAllocator > begin ( [TArray](API\Runtime\Core\Containers\TArray)< InSampleType, InAllocator > & OutWindowBuffer ) const